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I have a textbox on my html page, I'd like to run the javascript code that people put it the textbox. How can I do that?
372
You can create a new script dynamically like found here
Here's a quick example you can copy and paste into an html file and see it work. You'll notice that once called, the page reloads and stalls out. This could be solved by using ajax and a seperate page the executes the code and returns a value or string or whatever it is your code should return.
<html>
<head>
</head>
<body>
<script>
function doIt() {
var headID = document.getElementsByTagName("head")[0];
var newScript = document.createElement("script");
newScript.type = "text/javascript";
newScript.innerHTML = document.getElementById("textarea").value;
headID.appendChild(newScript);
}
</script>
<textarea name="textarea" id="textarea">
alert("Alert");
</textarea>
<input type="button" value="Do It" onclick="doIt();" />
</body>
<html>You can use document.getElementsByName
<input name="textbox" type="text" />
<input name="buttonExecute" onclick="execute(document.getElementsByName('textbox')[0].value)" type="button" value="Execute" />
something similar i found here
33
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